Semitrailer device based on traveling system is adjustable
The utility model provides a semitrailer device based on traveling system is adjustable, include have the frame semitrailer device body of (1), the setting is in the rear end of the lower extreme terminal surface portion of frame (1) and have elastic elastic steel plate (5) of leaf spring, the setti...
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Format: | Patent |
Sprache: | chi ; eng |
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